./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0d376e92ef25b65056df1e8dcc5069fa6e580d0 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:12,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:12,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:12,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:12,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:12,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:12,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:12,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:12,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:12,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:12,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:12,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:13,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:13,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:13,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:13,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:13,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:13,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:13,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:13,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:13,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:13,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:13,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:13,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:13,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:13,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:13,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:13,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:13,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:13,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:13,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:13,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:13,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:13,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:13,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:13,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:13,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:13,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:13,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:13,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:13,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:13,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:51:13,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:13,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:13,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:13,098 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:13,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:13,099 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:13,099 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:51:13,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:13,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:13,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:51:13,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:51:13,101 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:13,102 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:51:13,102 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:51:13,103 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:51:13,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:51:13,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:51:13,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:13,105 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:13,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:51:13,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:51:13,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:13,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:13,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:51:13,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:51:13,115 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:51:13,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:13,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:13,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:13,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:13,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:13,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:13,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:13,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:13,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:13,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:51:13,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:51:13,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:13,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:13,121 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-13 07:51:13,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:13,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:13,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:13,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:13,475 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:13,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-13 07:51:13,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/ebf7b6c77/cc7ccd22a8f84a4aac825e6cf25799f0/FLAG80b2ea49a [2021-10-13 07:51:14,107 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:14,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-13 07:51:14,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/ebf7b6c77/cc7ccd22a8f84a4aac825e6cf25799f0/FLAG80b2ea49a [2021-10-13 07:51:14,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/ebf7b6c77/cc7ccd22a8f84a4aac825e6cf25799f0 [2021-10-13 07:51:14,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:14,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:14,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:14,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:14,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:14,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:14" (1/1) ... [2021-10-13 07:51:14,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3503fba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:14, skipping insertion in model container [2021-10-13 07:51:14,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:14" (1/1) ... [2021-10-13 07:51:14,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:14,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:14,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:14,961 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:51:14,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@451c31c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:14, skipping insertion in model container [2021-10-13 07:51:14,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:14,962 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:51:14,965 INFO L168 Benchmark]: Toolchain (without parser) took 535.89 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 76.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:14,967 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:14,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.38 ms. Allocated memory is still 104.9 MB. Free memory was 74.7 MB in the beginning and 76.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:14,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.38 ms. Allocated memory is still 104.9 MB. Free memory was 74.7 MB in the beginning and 76.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:17,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:17,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:17,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:17,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:17,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:17,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:17,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:17,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:17,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:17,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:17,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:17,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:17,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:17,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:17,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:17,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:17,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:17,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:17,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:17,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:17,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:17,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:17,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:17,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:17,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:17,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:17,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:17,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:17,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:17,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:17,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:17,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:17,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:17,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:17,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:17,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:17,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:17,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:17,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:17,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:17,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:51:17,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:17,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:17,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:17,470 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:17,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:17,470 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:17,470 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:17,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:17,471 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:17,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:51:17,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:51:17,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:17,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:17,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:51:17,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:51:17,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:17,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:17,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:51:17,475 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:51:17,475 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:51:17,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:17,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:17,476 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:51:17,476 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:51:17,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:17,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:17,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:17,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:51:17,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:17,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:17,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:17,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:17,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:51:17,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:17,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:17,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:17,479 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-13 07:51:17,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:17,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:17,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:17,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:17,956 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:17,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-13 07:51:18,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/5c4b778b1/f72cb35892ca49eb8cdb376c20eeaf38/FLAGb3a99ff22 [2021-10-13 07:51:18,631 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:18,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-13 07:51:18,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/5c4b778b1/f72cb35892ca49eb8cdb376c20eeaf38/FLAGb3a99ff22 [2021-10-13 07:51:18,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/data/5c4b778b1/f72cb35892ca49eb8cdb376c20eeaf38 [2021-10-13 07:51:18,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:18,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:18,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:18,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:18,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:18,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:18" (1/1) ... [2021-10-13 07:51:18,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5ec146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:18, skipping insertion in model container [2021-10-13 07:51:18,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:18" (1/1) ... [2021-10-13 07:51:18,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:18,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:19,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:19,437 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:51:19,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:19,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:19,530 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:51:19,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:19,664 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:51:19,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19 WrapperNode [2021-10-13 07:51:19,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:19,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:19,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:51:19,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:51:19,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:19,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:51:19,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:51:19,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:51:19,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:51:19,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:51:19,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:51:19,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:51:19,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (1/1) ... [2021-10-13 07:51:19,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:19,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:51:19,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:51:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:51:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:51:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:51:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:51:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:51:20,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:51:20,179 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 07:51:20,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:20 BoogieIcfgContainer [2021-10-13 07:51:20,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:51:20,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:51:20,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:51:20,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:51:20,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:51:18" (1/3) ... [2021-10-13 07:51:20,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6b3fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:20, skipping insertion in model container [2021-10-13 07:51:20,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:19" (2/3) ... [2021-10-13 07:51:20,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6b3fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:20, skipping insertion in model container [2021-10-13 07:51:20,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:20" (3/3) ... [2021-10-13 07:51:20,191 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2021-10-13 07:51:20,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:51:20,196 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:51:20,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:51:20,258 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:51:20,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:51:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:51:20,290 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:20,290 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:51:20,291 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-13 07:51:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-13 07:51:20,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:20,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624633302] [2021-10-13 07:51:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:20,324 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:20,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:20,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:51:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:51:20,438 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:51:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:51:20,488 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:51:20,490 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:51:20,491 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:51:20,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:20,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:20,710 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:51:20,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:51:20 BoogieIcfgContainer [2021-10-13 07:51:20,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:51:20,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:51:20,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:51:20,738 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:51:20,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:20" (3/4) ... [2021-10-13 07:51:20,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:51:20,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:51:20,745 INFO L168 Benchmark]: Toolchain (without parser) took 1808.94 ms. Allocated memory is still 65.0 MB. Free memory was 43.0 MB in the beginning and 27.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,746 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:20,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.47 ms. Allocated memory is still 65.0 MB. Free memory was 42.9 MB in the beginning and 30.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.09 ms. Allocated memory is still 65.0 MB. Free memory was 30.6 MB in the beginning and 28.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,749 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 ms. Allocated memory is still 65.0 MB. Free memory was 28.4 MB in the beginning and 27.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,750 INFO L168 Benchmark]: RCFGBuilder took 434.91 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 40.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,750 INFO L168 Benchmark]: TraceAbstraction took 550.79 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 28.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:20,751 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 65.0 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 277.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:20,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 729.47 ms. Allocated memory is still 65.0 MB. Free memory was 42.9 MB in the beginning and 30.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.09 ms. Allocated memory is still 65.0 MB. Free memory was 30.6 MB in the beginning and 28.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.66 ms. Allocated memory is still 65.0 MB. Free memory was 28.4 MB in the beginning and 27.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 434.91 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 40.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 550.79 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 28.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.13 ms. Allocated memory is still 65.0 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 277.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 459.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 21.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.4ms SsaConstructionTime, 28.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:51:20,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0f9858-7338-47c9-b73d-1a7b2fe414f7/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...